package com.jamie.business.service;

/**
 * @author Jamie
 * @date 2020/4/13
 */
public interface BusinessService {
    /**
     * 采购
     *
     * @param userId        用户id
     * @param commodityCode 商品编码
     * @param orderCount    购买数量
     */
    void purchase(String userId, String commodityCode, int orderCount);
}
